66817620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1621}}^1$

素因数の和:1865

約数の個数: 72

約数和(自身を含む): 203690760

約数和(自身を除く): 136873140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 916, 1145, 1374, 1621, 2061, 2290, 2748, 3242, 3435, 4122, 4580, 4863, 6484, 6870, 8105, 8244, 9726, 10305, 13740, 14589, 16210, 19452, 20610, 24315, 29178, 32420, 41220, 48630, 58356, 72945, 97260, 145890, 291780, 371209, 742418, 1113627, 1484836, 1856045, 2227254, 3340881, 3712090, 4454508, 5568135, 6681762, 7424180, 11136270, 13363524, 16704405, 22272540, 33408810, 66817620]

約数ペア:

[(1, 66817620), (2, 33408810), (3, 22272540), (4, 16704405), (5, 13363524), (6, 11136270), (9, 7424180), (10, 6681762), (12, 5568135), (15, 4454508), (18, 3712090), (20, 3340881), (30, 2227254), (36, 1856045), (45, 1484836), (60, 1113627), (90, 742418), (180, 371209), (229, 291780), (458, 145890), (687, 97260), (916, 72945), (1145, 58356), (1374, 48630), (1621, 41220), (2061, 32420), (2290, 29178), (2748, 24315), (3242, 20610), (3435, 19452), (4122, 16210), (4580, 14589), (4863, 13740), (6484, 10305), (6870, 9726), (8105, 8244)]